diff --git a/The-Data-Directory.md b/The-Data-Directory.md
index 420efca..50bd4c3 100644
--- a/The-Data-Directory.md
+++ b/The-Data-Directory.md
@@ -1,4 +1,5 @@
-The data directory is located below depending on your operating sysyem:
+## Default data directory
+The default data directory is located below depending on your operating system:
 
 Replace `<Account>` with your account/user name.
 
@@ -8,4 +9,11 @@ On Windows XP : `C:\Documents and Settings\<Account>\Application Data\Local Sett
 
 On Mac OS X : `/Users/<Account>/Library/Application Support/Tachidesk`
 
-On Unix/Linux : `/home/<account>/.local/share/Tachidesk`
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+On Unix/Linux : `/home/<account>/.local/share/Tachidesk`
+
+## Custom
+You can set Tachidesk-Server to use a specific directory with the `-Dsuwayomi.tachidesk.config.server.rootDir` startup argument.
+
+An example of this is `java -Dsuwayomi.tachidesk.config.server.rootDir="D:\Tachidesk Data" -jar Tachidesk-vX.Y.Z-rxxxx.jar`
+
+You can additionally add the argument to the Tachidesk.jar startup scripts.
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